Home / 136,936.91-205,099.05-79,163.39

Finding the Fourth Proportional to 136,936.91, 205,099.05 and 79,163.39

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Solution

The fourth proportional to 136,936.91, 205,099.05 and 79,163.39 is: 118,568.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,936.91 : 205,099.05 = 79,163.39 : x
  2. Step 2: Convert to fraction form
    136,936.91/205,099.05 = 79,163.39/x
  3. Step 3: Cross multiply
    136,936.91x = 205,099.05 × 79,163.39
  4. Step 4: Simplify right side
    136,936.91x = 16,236,335,058.28
  5. Step 5: Solve for x
    x = 16,236,335,058.28/136,936.91
  6. Step 6: Final answer
    x = 118,568.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.